tabular-data-column-widget/src/main/java/org/gcube/portlets/user/td/columnwidget/client/dimension/DialogDimensionRowSelection.java

package org.gcube.portlets.user.td.columnwidget.client.dimension;

import java.util.ArrayList;

import org.gcube.portlets.user.td.columnwidget.client.utils.Constants;
import org.gcube.portlets.user.td.columnwidget.client.utils.UtilsGXT3;
import org.gcube.portlets.user.td.gwtservice.shared.tr.ColumnData;
import org.gcube.portlets.user.td.widgetcommonevent.shared.CellData;
import org.gcube.portlets.user.tdwx.client.TabularDataX;
import org.gcube.portlets.user.tdwx.client.TabularDataXGridPanel;
import org.gcube.portlets.user.tdwx.client.event.FailureEvent;
import org.gcube.portlets.user.tdwx.client.event.FailureEventHandler;
import org.gcube.portlets.user.tdwx.shared.model.TableId;


import com.allen_sauer.gwt.log.client.Log;
import com.google.web.bindery.event.shared.EventBus;
import com.sencha.gxt.core.client.Style.SelectionMode;
import com.sencha.gxt.widget.core.client.FramedPanel;
import com.sencha.gxt.widget.core.client.Window;
import com.sencha.gxt.widget.core.client.button.TextButton;
import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.VerticalLayoutData;
import com.sencha.gxt.widget.core.client.event.SelectEvent;
import com.sencha.gxt.widget.core.client.event.SelectEvent.SelectHandler;
import com.sencha.gxt.widget.core.client.form.FieldLabel;
import com.sencha.gxt.widget.core.client.form.TextField;
import com.sencha.gxt.widget.core.client.info.Info;

public class DialogDimensionRowSelection extends Window {
	protected static final int WIDTH = 550;
	protected static final int HEIGHT = 520;
	
	protected ColumnData column;
	protected EventBus eventBus;
	protected DimensionRow dimRow;
	protected CellData cellData;
	
	protected ArrayList<DimensionRowSelectionListener> listeners;
	
	private static TabularDataX tabularData;
	private TabularDataXGridPanel gridPanel;
	private TextField value;
	private TextButton select;
	
	
	public DialogDimensionRowSelection(ColumnData column, CellData cellData, EventBus eventBus) {
		this.column=column;
		this.eventBus=eventBus;
		this.cellData=cellData;
		listeners=new ArrayList<DimensionRowSelectionListener>();
		initWindow();
		create();
		open();
	}
	
	
	protected void create(){
		final FramedPanel panel = new FramedPanel();
		panel.setHeaderVisible(false);
		panel.setBodyBorder(false);
	
		VerticalLayoutContainer v = new VerticalLayoutContainer();
		
		value = new TextField();
		value.setValue(cellData.getValue());
		value.setReadOnly(true);
		
		//Grid
		tabularData = new TabularDataX(Constants.TDX_DATASOURCE_FACTORY_ID);
		tabularData.addFailureHandler(new FailureEventHandler() {

			public void onFailure(FailureEvent event) {
				Info.display("Error: " + event.getMessage(), event.getCaught()
						.getMessage());

			}
		});
		
		gridPanel = tabularData.getGridPanel();
		gridPanel.setHeaderVisible(false);
		gridPanel.setSelectionModel(SelectionMode.SINGLE);
		
		v.add(new FieldLabel(value, "Value"), new VerticalLayoutData(1, -1));
		v.add(gridPanel, new VerticalLayoutData(1, 1));
	
		panel.add(v);

		select = new TextButton("Select");
		select.addSelectHandler(new SelectHandler() {

			@Override
			public void onSelect(SelectEvent event) {
				startSelect();
			}
		});

		panel.addButton(select);

		add(panel);
		forceLayout();
	}
	
	protected void startSelect(){
		ArrayList<String> rowsId=gridPanel.getSelectedRowsId();
		if(rowsId==null||rowsId.size()==0){
			Log.debug("No row selected");
			UtilsGXT3.alert("Attention",
					"Select a row");
		} else {
			String rowId=rowsId.get(0);
			Log.debug("Row selected: "+rowId);
			ArrayList<String> cellValues=gridPanel.getCellValue(column.getColumnId());
			if(cellValues==null|| cellValues.size()==0){
				Log.debug("No value retrieved");
				UtilsGXT3.alert("Attention",
						"Select a row");
			} else {
				String cellValue=cellValues.get(0);
				Log.debug("Retrived: "+ rowId+" "+cellValue);
				dimRow=new DimensionRow(rowId,cellValue);
				fireCompleted(dimRow);
			}
		}
		
	}	
	
	
	
	protected void open(){
		long tableId=column.getColumnViewData().getTargetTableId();
		
		TableId tableOpening = new TableId(Constants.TDX_DATASOURCE_FACTORY_ID,
				String.valueOf(tableId));
		tabularData.openTable(tableOpening);
	}
	
	protected void initWindow() {
			setWidth(WIDTH);
			setHeight(HEIGHT);
			setBodyBorder(false);
			setResizable(false);
			setHeadingText("Dimension");
			setClosable(true);
			//getHeader().setIcon(ResourceBundle.INSTANCE.replace());

	}
	
	/**
	 * {@inheritDoc}
	 */
	@Override
	protected void initTools() {
		super.initTools();

		closeBtn.addSelectHandler(new SelectHandler() {

			public void onSelect(SelectEvent event) {
				fireAborted();
				hide();
			}
		});

	}
	
	
	
	
	public void addListener(DimensionRowSelectionListener listener) {
		listeners.add(listener);
	}

	public void removeListener(DimensionRowSelectionListener listener) {
		listeners.remove(listener);
	}

	public void fireCompleted(DimensionRow dimensionRow) {
		for (DimensionRowSelectionListener listener : listeners)
			listener.selected(dimensionRow);
		hide();
	}

	public void fireAborted() {
		for (DimensionRowSelectionListener listener : listeners)
			listener.aborted();
		hide();
	}

	public void fireFailed(String reason, String details) {
		for (DimensionRowSelectionListener listener : listeners)
			listener.failed(reason, details);
		hide();
	}

	
	
}